Bug in JSCad

bugged.js

/**
 * Basic Booleans Demonstration
 * @category Manipulating Shapes
 * @skillLevel 2
 * @description Demonstrating the basics of boolean shape combinations
 * @tags cube, sphere, union, subtract, difference, subtraction, intersect, intersection
 * @authors Simon Clark
 * @licence MIT License
 */

const jscad = require('@jscad/modeling')
const { hull, hullChain } = jscad.hulls
const { cube, sphere, square } = jscad.primitives
const { translate } = jscad.transforms
const { colorize } = jscad.colors
const { union, subtract, intersect } = jscad.booleans
const {extrudeLinear } = jscad.extrusions

const main = () => {
  const aCube = colorize([1, 0, 0], translate([-4.5, 0, 0], cube()))
  const aSphere = colorize([0, 1, 0], translate([-5.2, -0.8, 0.8], sphere({ segments: 32 })))

  const s1 = translate([20, 0, 0], square({size: 1}));
  const s2 = translate([20, 20, 0], square({size: 1}));
  const s3 = translate([10, 10, 0], square({size: 1}));

  const h1 = hull(s1,s2,s3)
  const h2 = translate([5,20,10], h1);


  const aUnion = union(aCube, aSphere)
  const aSubtract = subtract(aCube, aSphere)
  const aIntersection = intersect(aCube, aSphere)
  return [
    s1,s2,s3,
    h1,
    h2,
    translate([18, 0, 0], extrudeLinear({height: 0}, h1)),
    translate([10, 0, 0], extrudeLinear({height: 0}, h2)),
    //hullChain(h1,h2),
    aCube,
    aSphere,
    translate([3, 0, 0], aUnion),
    translate([6, 0, 0], aSubtract),
    translate([10 , 0, 0], aIntersection)
  ]
}

module.exports = { main }

fine.js

/**
 * Basic Booleans Demonstration
 * @category Manipulating Shapes
 * @skillLevel 2
 * @description Demonstrating the basics of boolean shape combinations
 * @tags cube, sphere, union, subtract, difference, subtraction, intersect, intersection
 * @authors Simon Clark
 * @licence MIT License
 */

const jscad = require('@jscad/modeling')
const { hull, hullChain } = jscad.hulls
const { cube, sphere, square } = jscad.primitives
const { translate } = jscad.transforms
const { colorize } = jscad.colors
const { union, subtract, intersect } = jscad.booleans
const {extrudeLinear } = jscad.extrusions

const main = () => {
  const aCube = colorize([1, 0, 0], translate([-4.5, 0, 0], cube()))
  const aSphere = colorize([0, 1, 0], translate([-5.2, -0.8, 0.8], sphere({ segments: 32 })))

  const s1 = translate([20, 0, 0], square({size: 1}));
  const s2 = translate([20, 20, 0], square({size: 1}));
  const s3 = translate([10, 10, 0], square({size: 1}));

  const h1 = hull(s1,s2,s3)
  const h2 = translate([5,20,10], h1);


  const aUnion = union(aCube, aSphere)
  const aSubtract = subtract(aCube, aSphere)
  const aIntersection = intersect(aCube, aSphere)
  return [
    s1,s2,s3,
    h1,
    h2,
    translate([18, 0, 0], extrudeLinear({height: 0}, h1)),
    //Why does commenting this out change rander of h2??
    //translate([10, 0, 0], extrudeLinear({height: 0}, h2)),
    aCube,
    aSphere,
    translate([3, 0, 0], aUnion),
    translate([6, 0, 0], aSubtract),
    translate([10 , 0, 0], aIntersection)
  ]
}

module.exports = { main }